Stability of rapid maxillary expansion and facemask therapy: A long-term controlled study
Introduction The aim of this prospective controlled study was to evaluate the long-term effects of rapid maxillary expansion and facemask therapy in Class III subjects. Methods Twenty-two subjects (9 boys, 13 girls; mean age, 9.2 years ± 1.6) with Class III disharmony were treated consecutively with...
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| Veröffentlicht in: | American journal of orthodontics and dentofacial orthopedics 2011-10, Vol.140 (4), p.493-500 |
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| container_title | American journal of orthodontics and dentofacial orthopedics |
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| creator | Masucci, Caterina Franchi, Lorenzo Defraia, Efisio Mucedero, Manuela Cozza, Paola Baccetti, Tiziano |
| description | Introduction The aim of this prospective controlled study was to evaluate the long-term effects of rapid maxillary expansion and facemask therapy in Class III subjects. Methods Twenty-two subjects (9 boys, 13 girls; mean age, 9.2 years ± 1.6) with Class III disharmony were treated consecutively with rapid maxillary expansion and facemask therapy followed by fixed appliances. The patients were reevaluated at the end of the 2-phase treatment (mean age, 14.5 years ± 1.9) and then recalled about 8.5 years after the end of rapid maxillary expansion and facemask treatment (mean age, 18.7 years ± 2.1). Two groups of controls with untreated Class III malocclusion were used for statistical comparisons of the short-term and long-term intervals. Statistical comparisons were performed with the Mann-Whitney U test. Results In the long term, no significant differences in maxillary changes were recorded, whereas the treatment group showed significantly smaller increases in mandibular protrusion. The sagittal maxillomandibular skeletal variables maintained significant improvements in the treatment group vs the control groups. Conclusions In the long term, rapid maxillary expansion and facemask therapy led to successful outcomes in about 73% of the Class III patients. Favorable skeletal changes were mainly due to significant improvements in the sagittal position of the mandible. |
| doi_str_mv | 10.1016/j.ajodo.2010.09.031 |
| format | Article |
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Methods Twenty-two subjects (9 boys, 13 girls; mean age, 9.2 years ± 1.6) with Class III disharmony were treated consecutively with rapid maxillary expansion and facemask therapy followed by fixed appliances. The patients were reevaluated at the end of the 2-phase treatment (mean age, 14.5 years ± 1.9) and then recalled about 8.5 years after the end of rapid maxillary expansion and facemask treatment (mean age, 18.7 years ± 2.1). Two groups of controls with untreated Class III malocclusion were used for statistical comparisons of the short-term and long-term intervals. Statistical comparisons were performed with the Mann-Whitney U test. Results In the long term, no significant differences in maxillary changes were recorded, whereas the treatment group showed significantly smaller increases in mandibular protrusion. The sagittal maxillomandibular skeletal variables maintained significant improvements in the treatment group vs the control groups. Conclusions In the long term, rapid maxillary expansion and facemask therapy led to successful outcomes in about 73% of the Class III patients. Favorable skeletal changes were mainly due to significant improvements in the sagittal position of the mandible.</description><identifier>ISSN: 0889-5406</identifier><identifier>EISSN: 1097-6752</identifier><identifier>DOI: 10.1016/j.ajodo.2010.09.031</identifier><identifier>PMID: 21967936</identifier><language>eng</language><publisher>New York, NY: Mosby, Inc</publisher><subject>Biological and medical sciences ; Case-Control Studies ; Cephalometry - methods ; Child ; Dentistry ; Extraoral Traction Appliances ; Female ; Follow-Up Studies ; Humans ; Longitudinal Studies ; Male ; Malocclusion, Angle Class III - pathology ; Malocclusion, Angle Class III - therapy ; Mandible - pathology ; Maxilla - pathology ; Medical sciences ; Nasal Bone - pathology ; Orthodontic Appliance Design ; Orthodontic Appliances ; Orthodontic Retainers ; Otorhinolaryngology. Stomatology ; Palatal Expansion Technique - instrumentation ; Patient Compliance ; Prospective Studies ; Sella Turcica - pathology ; Treatment Outcome</subject><ispartof>American journal of orthodontics and dentofacial orthopedics, 2011-10, Vol.140 (4), p.493-500</ispartof><rights>American Association of Orthodontists</rights><rights>2011 American Association of Orthodontists</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c488t-c0f59b909949d65ee0716006bbfdd8a7925c02f20b02de9ab075e5a55eaa28bf3</citedby><cites>FETCH-LOGICAL-c488t-c0f59b909949d65ee0716006bbfdd8a7925c02f20b02de9ab075e5a55eaa28bf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ajodo.2010.09.031$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24719228$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21967936$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Masucci, Caterina</creatorcontrib><creatorcontrib>Franchi, Lorenzo</creatorcontrib><creatorcontrib>Defraia, Efisio</creatorcontrib><creatorcontrib>Mucedero, Manuela</creatorcontrib><creatorcontrib>Cozza, Paola</creatorcontrib><creatorcontrib>Baccetti, Tiziano</creatorcontrib><title>Stability of rapid maxillary expansion and facemask therapy: A long-term controlled study</title><title>American journal of orthodontics and dentofacial orthopedics</title><addtitle>Am J Orthod Dentofacial Orthop</addtitle><description>Introduction The aim of this prospective controlled study was to evaluate the long-term effects of rapid maxillary expansion and facemask therapy in Class III subjects. Methods Twenty-two subjects (9 boys, 13 girls; mean age, 9.2 years ± 1.6) with Class III disharmony were treated consecutively with rapid maxillary expansion and facemask therapy followed by fixed appliances. The patients were reevaluated at the end of the 2-phase treatment (mean age, 14.5 years ± 1.9) and then recalled about 8.5 years after the end of rapid maxillary expansion and facemask treatment (mean age, 18.7 years ± 2.1). Two groups of controls with untreated Class III malocclusion were used for statistical comparisons of the short-term and long-term intervals. Statistical comparisons were performed with the Mann-Whitney U test. Results In the long term, no significant differences in maxillary changes were recorded, whereas the treatment group showed significantly smaller increases in mandibular protrusion. The sagittal maxillomandibular skeletal variables maintained significant improvements in the treatment group vs the control groups. Conclusions In the long term, rapid maxillary expansion and facemask therapy led to successful outcomes in about 73% of the Class III patients. Favorable skeletal changes were mainly due to significant improvements in the sagittal position of the mandible.</description><subject>Biological and medical sciences</subject><subject>Case-Control Studies</subject><subject>Cephalometry - methods</subject><subject>Child</subject><subject>Dentistry</subject><subject>Extraoral Traction Appliances</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Humans</subject><subject>Longitudinal Studies</subject><subject>Male</subject><subject>Malocclusion, Angle Class III - pathology</subject><subject>Malocclusion, Angle Class III - therapy</subject><subject>Mandible - pathology</subject><subject>Maxilla - pathology</subject><subject>Medical sciences</subject><subject>Nasal Bone - pathology</subject><subject>Orthodontic Appliance Design</subject><subject>Orthodontic Appliances</subject><subject>Orthodontic Retainers</subject><subject>Otorhinolaryngology. Stomatology</subject><subject>Palatal Expansion Technique - instrumentation</subject><subject>Patient Compliance</subject><subject>Prospective Studies</subject><subject>Sella Turcica - pathology</subject><subject>Treatment Outcome</subject><issn>0889-5406</issn><issn>1097-6752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU2LFDEQhoMo7rj6CwTJRTz1WEl_RlBYFr9gYQ-7HjyFdFKt6e1OxiS9bP_7zeyMCl48BYrnrUo9RchLBlsGrHk7btXojd9yyBUQWyjZI7JhINqiaWv-mGyg60RRV9CckGcxjgAgKg5PyQlnomlF2WzI96ukejvZtFI_0KB21tBZ3dlpUmGleLdTLlrvqHKGDkrjrOINTT8xk-s7ekYn734UCcNMtXcp-GlCQ2NazPqcPBnUFPHF8T0l3z59vD7_Ulxcfv56fnZR6KrrUqFhqEUvQIhKmKZGhJY1AE3fD8Z0qhW81sAHDj1wg0L10NZYq7pGpXjXD-UpeXPouwv-14IxydlGjXkBh36JshNNKUrBu0yWB1IHH2PAQe6CnfOekoHcK5WjfFAq90olCJmV5tSrY_-ln9H8yfx2mIHXR0BFraYhKKdt_MtVLRP8Yfz7A4fZxq3FIKO26DQaG1Anabz9z0c-_JPXk3U2j7zBFePol-CyaMlk5BLk1f76--MzlnXyri3vAbDvqzU</recordid><startdate>20111001</startdate><enddate>20111001</enddate><creator>Masucci, Caterina</creator><creator>Franchi, Lorenzo</creator><creator>Defraia, Efisio</creator><creator>Mucedero, Manuela</creator><creator>Cozza, Paola</creator><creator>Baccetti, Tiziano</creator><general>Mosby, Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20111001</creationdate><title>Stability of rapid maxillary expansion and facemask therapy: A long-term controlled study</title><author>Masucci, Caterina ; Franchi, Lorenzo ; Defraia, Efisio ; Mucedero, Manuela ; Cozza, Paola ; Baccetti, Tiziano</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c488t-c0f59b909949d65ee0716006bbfdd8a7925c02f20b02de9ab075e5a55eaa28bf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Biological and medical sciences</topic><topic>Case-Control Studies</topic><topic>Cephalometry - methods</topic><topic>Child</topic><topic>Dentistry</topic><topic>Extraoral Traction Appliances</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Humans</topic><topic>Longitudinal Studies</topic><topic>Male</topic><topic>Malocclusion, Angle Class III - pathology</topic><topic>Malocclusion, Angle Class III - therapy</topic><topic>Mandible - pathology</topic><topic>Maxilla - pathology</topic><topic>Medical sciences</topic><topic>Nasal Bone - pathology</topic><topic>Orthodontic Appliance Design</topic><topic>Orthodontic Appliances</topic><topic>Orthodontic Retainers</topic><topic>Otorhinolaryngology. Stomatology</topic><topic>Palatal Expansion Technique - instrumentation</topic><topic>Patient Compliance</topic><topic>Prospective Studies</topic><topic>Sella Turcica - pathology</topic><topic>Treatment Outcome</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Masucci, Caterina</creatorcontrib><creatorcontrib>Franchi, Lorenzo</creatorcontrib><creatorcontrib>Defraia, Efisio</creatorcontrib><creatorcontrib>Mucedero, Manuela</creatorcontrib><creatorcontrib>Cozza, Paola</creatorcontrib><creatorcontrib>Baccetti, Tiziano</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Masucci, Caterina</au><au>Franchi, Lorenzo</au><au>Defraia, Efisio</au><au>Mucedero, Manuela</au><au>Cozza, Paola</au><au>Baccetti, Tiziano</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stability of rapid maxillary expansion and facemask therapy: A long-term controlled study</atitle><jtitle>American journal of orthodontics and dentofacial orthopedics</jtitle><addtitle>Am J Orthod Dentofacial Orthop</addtitle><date>2011-10-01</date><risdate>2011</risdate><volume>140</volume><issue>4</issue><spage>493</spage><epage>500</epage><pages>493-500</pages><issn>0889-5406</issn><eissn>1097-6752</eissn><abstract>Introduction The aim of this prospective controlled study was to evaluate the long-term effects of rapid maxillary expansion and facemask therapy in Class III subjects. Methods Twenty-two subjects (9 boys, 13 girls; mean age, 9.2 years ± 1.6) with Class III disharmony were treated consecutively with rapid maxillary expansion and facemask therapy followed by fixed appliances. The patients were reevaluated at the end of the 2-phase treatment (mean age, 14.5 years ± 1.9) and then recalled about 8.5 years after the end of rapid maxillary expansion and facemask treatment (mean age, 18.7 years ± 2.1). Two groups of controls with untreated Class III malocclusion were used for statistical comparisons of the short-term and long-term intervals. Statistical comparisons were performed with the Mann-Whitney U test. Results In the long term, no significant differences in maxillary changes were recorded, whereas the treatment group showed significantly smaller increases in mandibular protrusion. The sagittal maxillomandibular skeletal variables maintained significant improvements in the treatment group vs the control groups. 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| subjects | Biological and medical sciences Case-Control Studies Cephalometry - methods Child Dentistry Extraoral Traction Appliances Female Follow-Up Studies Humans Longitudinal Studies Male Malocclusion, Angle Class III - pathology Malocclusion, Angle Class III - therapy Mandible - pathology Maxilla - pathology Medical sciences Nasal Bone - pathology Orthodontic Appliance Design Orthodontic Appliances Orthodontic Retainers Otorhinolaryngology. Stomatology Palatal Expansion Technique - instrumentation Patient Compliance Prospective Studies Sella Turcica - pathology Treatment Outcome |
| title | Stability of rapid maxillary expansion and facemask therapy: A long-term controlled study |
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